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<FONT color="green">001</FONT>    /*<a name="line.1"></a>
<FONT color="green">002</FONT>     * Licensed under the Apache License, Version 2.0 (the "License");<a name="line.2"></a>
<FONT color="green">003</FONT>     * you may not use this file except in compliance with the License.<a name="line.3"></a>
<FONT color="green">004</FONT>     * You may obtain a copy of the License at<a name="line.4"></a>
<FONT color="green">005</FONT>     *<a name="line.5"></a>
<FONT color="green">006</FONT>     *     http://www.apache.org/licenses/LICENSE-2.0<a name="line.6"></a>
<FONT color="green">007</FONT>     *<a name="line.7"></a>
<FONT color="green">008</FONT>     * Unless required by applicable law or agreed to in writing, software<a name="line.8"></a>
<FONT color="green">009</FONT>     * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.9"></a>
<FONT color="green">010</FONT>     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.10"></a>
<FONT color="green">011</FONT>     * See the License for the specific language governing permissions and<a name="line.11"></a>
<FONT color="green">012</FONT>     * limitations under the License.<a name="line.12"></a>
<FONT color="green">013</FONT>     */<a name="line.13"></a>
<FONT color="green">014</FONT>    package com.googlecode.jsendnsca;<a name="line.14"></a>
<FONT color="green">015</FONT>    <a name="line.15"></a>
<FONT color="green">016</FONT>    import java.io.DataInputStream;<a name="line.16"></a>
<FONT color="green">017</FONT>    import java.io.IOException;<a name="line.17"></a>
<FONT color="green">018</FONT>    import java.io.OutputStream;<a name="line.18"></a>
<FONT color="green">019</FONT>    import java.net.InetSocketAddress;<a name="line.19"></a>
<FONT color="green">020</FONT>    import java.net.Socket;<a name="line.20"></a>
<FONT color="green">021</FONT>    import java.net.SocketException;<a name="line.21"></a>
<FONT color="green">022</FONT>    import java.net.SocketTimeoutException;<a name="line.22"></a>
<FONT color="green">023</FONT>    <a name="line.23"></a>
<FONT color="green">024</FONT>    import org.apache.commons.lang.Validate;<a name="line.24"></a>
<FONT color="green">025</FONT>    <a name="line.25"></a>
<FONT color="green">026</FONT>    import com.googlecode.jsendnsca.utils.IOUtils;<a name="line.26"></a>
<FONT color="green">027</FONT>    <a name="line.27"></a>
<FONT color="green">028</FONT>    /**<a name="line.28"></a>
<FONT color="green">029</FONT>     * This class is used to send a Passive Check to the Nagios NSCA add-on<a name="line.29"></a>
<FONT color="green">030</FONT>     *<a name="line.30"></a>
<FONT color="green">031</FONT>     * @author Raj.Patel<a name="line.31"></a>
<FONT color="green">032</FONT>     * @version 1.0<a name="line.32"></a>
<FONT color="green">033</FONT>     */<a name="line.33"></a>
<FONT color="green">034</FONT>    public class NagiosPassiveCheckSender implements PassiveCheckSender {<a name="line.34"></a>
<FONT color="green">035</FONT>    <a name="line.35"></a>
<FONT color="green">036</FONT>        private static final int INITIALISATION_VECTOR_SIZE = 128;<a name="line.36"></a>
<FONT color="green">037</FONT>    <a name="line.37"></a>
<FONT color="green">038</FONT>        private final NagiosSettings nagiosSettings;<a name="line.38"></a>
<FONT color="green">039</FONT>    <a name="line.39"></a>
<FONT color="green">040</FONT>        /**<a name="line.40"></a>
<FONT color="green">041</FONT>         * Construct a new {@link NagiosPassiveCheckSender} with the provided<a name="line.41"></a>
<FONT color="green">042</FONT>         * {@link NagiosSettings}<a name="line.42"></a>
<FONT color="green">043</FONT>         *<a name="line.43"></a>
<FONT color="green">044</FONT>         * @param nagiosSettings<a name="line.44"></a>
<FONT color="green">045</FONT>         *            the {@link NagiosSettings} to use to send the Passive Check<a name="line.45"></a>
<FONT color="green">046</FONT>         */<a name="line.46"></a>
<FONT color="green">047</FONT>        public NagiosPassiveCheckSender(NagiosSettings nagiosSettings) {<a name="line.47"></a>
<FONT color="green">048</FONT>            Validate.notNull(nagiosSettings, "nagiosSettings cannot be null");<a name="line.48"></a>
<FONT color="green">049</FONT>            this.nagiosSettings = nagiosSettings;<a name="line.49"></a>
<FONT color="green">050</FONT>        }<a name="line.50"></a>
<FONT color="green">051</FONT>    <a name="line.51"></a>
<FONT color="green">052</FONT>        /*<a name="line.52"></a>
<FONT color="green">053</FONT>         * (non-Javadoc)<a name="line.53"></a>
<FONT color="green">054</FONT>         *<a name="line.54"></a>
<FONT color="green">055</FONT>         * @see<a name="line.55"></a>
<FONT color="green">056</FONT>         * com.googlecode.jsendnsca.sender.INagiosPassiveCheckSender#send(com.googlecode<a name="line.56"></a>
<FONT color="green">057</FONT>         * .jsendnsca.sender.MessagePayload)<a name="line.57"></a>
<FONT color="green">058</FONT>         */<a name="line.58"></a>
<FONT color="green">059</FONT>        public void send(MessagePayload payload) throws NagiosException, IOException {<a name="line.59"></a>
<FONT color="green">060</FONT>            Validate.notNull(payload, "payload cannot be null");<a name="line.60"></a>
<FONT color="green">061</FONT>    <a name="line.61"></a>
<FONT color="green">062</FONT>            final Socket socket = new Socket();<a name="line.62"></a>
<FONT color="green">063</FONT>            final InetSocketAddress nagiosEndpoint = new InetSocketAddress(nagiosSettings.getNagiosHost(), nagiosSettings.getPort());<a name="line.63"></a>
<FONT color="green">064</FONT>    <a name="line.64"></a>
<FONT color="green">065</FONT>            OutputStream outputStream = null;<a name="line.65"></a>
<FONT color="green">066</FONT>            DataInputStream inputStream = null;<a name="line.66"></a>
<FONT color="green">067</FONT>            try {<a name="line.67"></a>
<FONT color="green">068</FONT>                connectWithTimeout(socket, nagiosEndpoint);<a name="line.68"></a>
<FONT color="green">069</FONT>                outputStream = socket.getOutputStream();<a name="line.69"></a>
<FONT color="green">070</FONT>                inputStream = new DataInputStream(socket.getInputStream());<a name="line.70"></a>
<FONT color="green">071</FONT>            } catch (IOException ioe) {<a name="line.71"></a>
<FONT color="green">072</FONT>                throw ioe;<a name="line.72"></a>
<FONT color="green">073</FONT>            }<a name="line.73"></a>
<FONT color="green">074</FONT>    <a name="line.74"></a>
<FONT color="green">075</FONT>            final byte[] initVector = readInitializationVector(inputStream);<a name="line.75"></a>
<FONT color="green">076</FONT>            int timeStamp = inputStream.readInt();<a name="line.76"></a>
<FONT color="green">077</FONT>    <a name="line.77"></a>
<FONT color="green">078</FONT>            try {<a name="line.78"></a>
<FONT color="green">079</FONT>    <a name="line.79"></a>
<FONT color="green">080</FONT>                final byte[] passiveCheckBytes = new PassiveCheckBytesBuilder()<a name="line.80"></a>
<FONT color="green">081</FONT>                    .withTimeStamp(timeStamp)<a name="line.81"></a>
<FONT color="green">082</FONT>                    .withLevel(payload.getLevel())<a name="line.82"></a>
<FONT color="green">083</FONT>                    .withHostname(payload.getHostname())<a name="line.83"></a>
<FONT color="green">084</FONT>                    .withServiceName(payload.getServiceName())<a name="line.84"></a>
<FONT color="green">085</FONT>                    .withMessage(payload.getMessage())<a name="line.85"></a>
<FONT color="green">086</FONT>                    .writeCRC()<a name="line.86"></a>
<FONT color="green">087</FONT>                    .encrypt(initVector,nagiosSettings)<a name="line.87"></a>
<FONT color="green">088</FONT>                    .toByteArray();<a name="line.88"></a>
<FONT color="green">089</FONT>    <a name="line.89"></a>
<FONT color="green">090</FONT>                outputStream.write(passiveCheckBytes);<a name="line.90"></a>
<FONT color="green">091</FONT>                outputStream.flush();<a name="line.91"></a>
<FONT color="green">092</FONT>            } catch (SocketTimeoutException ste) {<a name="line.92"></a>
<FONT color="green">093</FONT>                throw ste;<a name="line.93"></a>
<FONT color="green">094</FONT>            } catch (Exception e) {<a name="line.94"></a>
<FONT color="green">095</FONT>                throw new NagiosException("Error occurred while sending passive alert", e);<a name="line.95"></a>
<FONT color="green">096</FONT>            } finally {<a name="line.96"></a>
<FONT color="green">097</FONT>                IOUtils.closeQuietly(outputStream);<a name="line.97"></a>
<FONT color="green">098</FONT>                IOUtils.closeQuietly(inputStream);<a name="line.98"></a>
<FONT color="green">099</FONT>                IOUtils.closeQuietly(socket);<a name="line.99"></a>
<FONT color="green">100</FONT>            }<a name="line.100"></a>
<FONT color="green">101</FONT>        }<a name="line.101"></a>
<FONT color="green">102</FONT>    <a name="line.102"></a>
<FONT color="green">103</FONT>        private void connectWithTimeout(final Socket socket, final InetSocketAddress nagiosEndpoint) throws IOException, SocketException {<a name="line.103"></a>
<FONT color="green">104</FONT>            socket.connect(nagiosEndpoint, nagiosSettings.getConnectTimeout());<a name="line.104"></a>
<FONT color="green">105</FONT>            socket.setSoTimeout(nagiosSettings.getTimeout());<a name="line.105"></a>
<FONT color="green">106</FONT>        }<a name="line.106"></a>
<FONT color="green">107</FONT>    <a name="line.107"></a>
<FONT color="green">108</FONT>        private byte[] readInitializationVector(DataInputStream inputStream) throws NagiosException, SocketTimeoutException {<a name="line.108"></a>
<FONT color="green">109</FONT>            final byte[] initVector = new byte[INITIALISATION_VECTOR_SIZE];<a name="line.109"></a>
<FONT color="green">110</FONT>            try {<a name="line.110"></a>
<FONT color="green">111</FONT>                inputStream.readFully(initVector, 0, INITIALISATION_VECTOR_SIZE);<a name="line.111"></a>
<FONT color="green">112</FONT>                return initVector;<a name="line.112"></a>
<FONT color="green">113</FONT>            } catch (SocketTimeoutException ste) {<a name="line.113"></a>
<FONT color="green">114</FONT>                throw ste;<a name="line.114"></a>
<FONT color="green">115</FONT>            } catch (Exception e) {<a name="line.115"></a>
<FONT color="green">116</FONT>                throw new NagiosException("Can't read initialisation vector", e);<a name="line.116"></a>
<FONT color="green">117</FONT>            }<a name="line.117"></a>
<FONT color="green">118</FONT>        }<a name="line.118"></a>
<FONT color="green">119</FONT>    }<a name="line.119"></a>




























































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